The whole world? Not at all. I am sorry but this is firt and foremost USA issue.
You cant compare usa police to french police.
While people in Europe are supporting the reason for protests in Usa, they dont really support localised protests in their own countries much, as we are still in pandemic. Its actually creating a issue between whether we even should protests now because its not actually doing anything in those respective countries as they have different systems in place.
Solidarity protest yes, but by all means dont forget we are still in pandemic.
Other countries have their own issues. And they need to pay attention to those issues firts. Usa support comes secondary to them, it just a thing they read on on media while life goes on.
Lot of countries actually have no idea whats happening in usa, because they simply dont experience those things and cant really relate to them.